8272719

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 15855120

約数和(自身を除く): 7582401

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 49, 63, 91, 111, 117, 147, 169, 189, 259, 273, 333, 351, 441, 481, 507, 637, 777, 819, 999, 1183, 1323, 1443, 1521, 1813, 1911, 2331, 2457, 3367, 3549, 4329, 4563, 5439, 5733, 6253, 6993, 8281, 10101, 10647, 12987, 16317, 17199, 18759, 23569, 24843, 30303, 31941, 43771, 48951, 56277, 70707, 74529, 90909, 131313, 168831, 212121, 223587, 306397, 393939, 636363, 919191, 1181817, 2757573, 8272719]

約数ペア:

[(1, 8272719), (3, 2757573), (7, 1181817), (9, 919191), (13, 636363), (21, 393939), (27, 306397), (37, 223587), (39, 212121), (49, 168831), (63, 131313), (91, 90909), (111, 74529), (117, 70707), (147, 56277), (169, 48951), (189, 43771), (259, 31941), (273, 30303), (333, 24843), (351, 23569), (441, 18759), (481, 17199), (507, 16317), (637, 12987), (777, 10647), (819, 10101), (999, 8281), (1183, 6993), (1323, 6253), (1443, 5733), (1521, 5439), (1813, 4563), (1911, 4329), (2331, 3549), (2457, 3367)]